unfamiliar
US
UK unfamiliar adj: (experience: unusual)
SC 不寻常的 bù xún cháng de
TC 不尋常的
TC 不尋常的
SC 奇怪的 bù xún cháng de ，qí guài de
Playing in the snow was an unfamiliar experience for the children.
unfamiliar (to [sb]) adj: (not recognized)
SC 不熟悉的 bù shú xī de
SC 陌生的 bù shú xī de ，mò shēng de
The band started playing a tune that was unfamiliar to me.
unfamiliar with [sth] adj + prep: ([sb]: not knowledgeable)
SC 对…不熟悉的 duì … bù shú xī de
SC 对…生疏的 duì … bù shú xī de ，duì … shēng shū de
I'm unfamiliar with the statistical methods you describe.